Wristwatch



FIG. 1 is a plan view of the underside of a wristwatch having two transparent panes formed therein;

FIG. 2 is a perspective view of the wristwatch of FIG. 1; and,

FIG. 3 is a plan view of the topside of the wristwatch of FIG. 1.

The elements shown in broken lines in FIGS. 1-3 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a wristwatch, as shown and described. 